public void onBindViewHolder(final TextViewHolder holder, final int position) {
    HorizontalScrollView galleryContainer = (HorizontalScrollView) (holder.mView).findViewById(R.id.gallery_container);

    LinearLayout mGallery = (LinearLayout) (holder.mView).findViewById(R.id.mygallery);

    if (mGallery.getChildCount() == 0) {
        for (int i = 0; i < 8; i++) {
            mGallery.addView(insertPhoto(i));
        }
    }

    int children = mGallery.getChildCount();
    final int maxScrollX = galleryContainer.getChildAt(0).getWidth() - galleryContainer.getWidth();


    galleryContainer.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View view, MotionEvent event) {

            if (event.getAction() == MotionEvent.ACTION_UP) {
                int scrollX = view.getScrollX();
                int scrollY = view.getScrollY();

                if (scrollX > maxScrollX && maxScrollX >= 0) {
                    Toast.makeText(context, "End of Scroll", Toast.LENGTH_SHORT).show();
                }
            }
            return false;
        }
    });
}